2150225 has 24 divisors (see below), whose sum is σ = 3327168. Its totient is φ = 1339200.

The previous prime is 2150221. The next prime is 2150227. The reversal of 2150225 is 5220512.

It is not a de Polignac number, because 2150225 - 2² = 2150221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1367 + ... + 2483.

It is an arithmetic number, because the mean of its divisors is an integer number (138632).

2^2150225 is an apocalyptic number.

2150225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2150225 is a deficient number, since it is larger than the sum of its proper divisors (1176943).

2150225 is a wasteful number, since it uses less digits than its factorization.

2150225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2150225 is about 1466.3645522175. The cubic root of 2150225 is about 129.0707902227.

Adding to 2150225 its reverse (5220512), we get a palindrome (7370737).

The spelling of 2150225 in words is "two million, one hundred fifty thousand, two hundred twenty-five".